They would be part of the cupertino binary distribution tapes on bitsavers.
Unlike DEC, HP had part numbers for EVERY program, with date-coded
revisions.
On 3/7/16 1:14 PM, Mattis Lind wrote:
I have been going to our HP 21MX paper tapes that come
with a M-series
system that we received many years ago:
http://www.datormuseum.se/documentation-software/hp-paper-tapes
I tried to check if they already were available online somewhere but didn't
find them